uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KA4RML callsign genealogy

Currently held by OVERBAY, THERON A

The FCC publishes a previous_call_sign on every amateur license — a self-link to the licensee's prior callsign. Following those links produces the chain below.

Previous callsigns

Older callsigns held by KA4RML's current licensee, walking backwards.

  1. KJ4FMTcancelled· T
    OVERBAY, THERON ATNgranted 2018-07-28cancelled 2020-05-05

Successor callsigns

Callsigns held now by people who previously held KA4RML.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KA4RML, oldest first.

  • Overbay, Walter R TN
    2015-12-18 → cancelled 2018-06-03
  • OVERBAY, THERON A TN
    2020-05-05 active